60742640 has 80 divisors (see below), whose sum is σ = 166656000. Its totient is φ = 20148480.

The previous prime is 60742631. The next prime is 60742657. The reversal of 60742640 is 4624706.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15611 + ... + 19109.

It is an arithmetic number, because the mean of its divisors is an integer number (2083200).

Almost surely, 2^60742640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60742640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83328000).

60742640 is an abundant number, since it is smaller than the sum of its proper divisors (105913360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60742640 is a wasteful number, since it uses less digits than its factorization.

60742640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 60742640 is about 7793.7564755386. The cubic root of 60742640 is about 393.0953330526.

The spelling of 60742640 in words is "sixty million, seven hundred forty-two thousand, six hundred forty".